235121153128 has 16 divisors (see below), whose sum is σ = 441564372000. Its totient is φ = 117370653936.

The previous prime is 235121153053. The next prime is 235121153143. The reversal of 235121153128 is 821351121532.

It is a junction number, because it is equal to n+sod(n) for n = 235121153093 and 235121153102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23735068 + ... + 23744971.

It is an arithmetic number, because the mean of its divisors is an integer number (27597773250).

Almost surely, 2^235121153128 is an apocalyptic number.

It is an amenable number.

235121153128 is a deficient number, since it is larger than the sum of its proper divisors (206443218872).

235121153128 is a wasteful number, since it uses less digits than its factorization.

235121153128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47480664 (or 47480660 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The spelling of 235121153128 in words is "two hundred thirty-five billion, one hundred twenty-one million, one hundred fifty-three thousand, one hundred twenty-eight".